40828240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:308

約数の個数: 80

約数和(自身を含む): 99565056

約数和(自身を除く): 58736816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 101, 124, 155, 163, 202, 248, 310, 326, 404, 496, 505, 620, 652, 808, 815, 1010, 1240, 1304, 1616, 1630, 2020, 2480, 2608, 3131, 3260, 4040, 5053, 6262, 6520, 8080, 10106, 12524, 13040, 15655, 16463, 20212, 25048, 25265, 31310, 32926, 40424, 50096, 50530, 62620, 65852, 80848, 82315, 101060, 125240, 131704, 164630, 202120, 250480, 263408, 329260, 404240, 510353, 658520, 1020706, 1317040, 2041412, 2551765, 4082824, 5103530, 8165648, 10207060, 20414120, 40828240]

約数ペア:

[(1, 40828240), (2, 20414120), (4, 10207060), (5, 8165648), (8, 5103530), (10, 4082824), (16, 2551765), (20, 2041412), (31, 1317040), (40, 1020706), (62, 658520), (80, 510353), (101, 404240), (124, 329260), (155, 263408), (163, 250480), (202, 202120), (248, 164630), (310, 131704), (326, 125240), (404, 101060), (496, 82315), (505, 80848), (620, 65852), (652, 62620), (808, 50530), (815, 50096), (1010, 40424), (1240, 32926), (1304, 31310), (1616, 25265), (1630, 25048), (2020, 20212), (2480, 16463), (2608, 15655), (3131, 13040), (3260, 12524), (4040, 10106), (5053, 8080), (6262, 6520)]